Chuck



FIG. 1 is a side view of a chuck in accordance with an embodiment of the present invention;

FIG. 2 is a bottom view of the chuck illustrated in FIG. 1;

FIG. 3 is a top view of the chuck illustrated in FIG. 1;

FIG. 4 is a perspective view of the chuck illustrated in FIG. 1; and,

FIG. 5 is a perspective view of a chuck illustrated in FIG. 1. 

The ornamental design of a chuck, as shown and described. 